plastic ball bearing 1:POM,PEEK,PP,PI,PTFE,, 2.SIN4,S316,ZRO2,GLASS 3.high quality low price 4.high precision

plastic ball bearing:

1.Material for ring and retainer:POM,PEEK,PP,PI,PTFE,,,,2.Material for ball:SIN4,S316,ZRO2,GLASS

3.Large sales make low price

plastic Ball Bearing:

CERTIFICATES:

QC TEAM AND TEST EQUIPMENT

plastic ball bearing